Ichthyodectes cf. ctenodon Cope, 1870.
Ichthyodectes was a huge predatory fish. Adults could grow to up to 3 metres long. Fine well preserved matrix free single vertebra.
Upper Cretaceous, Coniacian / Santonian, Niobrara Chalk Formation, Smoky Hill Chalk Member.
Cove City, Kansas, USA.
Vertebra : 5 x 3.3 x 2 cm.